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Dry powder dispersing apparatus and methods for their use

  • US 8,161,969 B2
  • Filed: 03/21/2008
  • Issued: 04/24/2012
  • Est. Priority Date: 06/04/1998
  • Status: Expired due to Fees
First Claim
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1. A system, comprising:

  • a receptacle comprising at least one notch and a cavity that holds medicament; and

    a device comprising;

    a housing, the housing having an opening that receives and supports the receptacle;

    an extraction tube that engages the receptacle;

    at least one piercing element that cuts the receptacle to create at least one opening in a wall of the receptacle;

    a first and a second interlock which are operably engageable with a carriage assembly to prevent coupling of the receptacle with the extraction tube; and

    at least one key that mates with the at least one notch of the receptacle,wherein when the receptacle is inserted into the opening that receives the receptacle and the at least one key mates with the at least one notch of the receptacle, the at least one piercing element is allowed to cut the receptacle,wherein when the receptacle is partially inserted into the opening that receives the receptacle and the at least one key does not mate with the at least one notch of the receptacle, the at least one piercing element is prevented from cutting the receptacle,wherein the first interlock is released to allow movement of the carriage upon movement of a handle to an extended position, andwherein the second interlock is engaged when the receptacle is partially inserted into the carriage assembly.

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